Abstract:
:Dynamic changes of pulpal blood flow (PBF) and gingival blood flow (GBF) induced by intra-venous injection of two kinds of vasoactive drugs were observed in dogs by means of Laser Doppler Velocimetry. Intra-venous injection of norepinephrine caused PBF to increase, corresponding to the blood pressure (BP) increase, while GBF decreased. Orciprenaline sulfate caused PBF to decrease parallel to the BP decrease, as compared with a GBF increase. The effects of these vasoactive drugs lasted longer on GBF than on PBF and BP. These results indicate that the regulation of blood flow in the dental pulp is more dependent on systemic blood pressure than on local vasoconstriction or vasodilation.
journal_name
J Dent Resjournal_title
Journal of dental researchauthors
Sasano T,Kuriwada S,Sanjo Ddoi
10.1177/00220345890680050701subject
Has Abstractpub_date
1989-05-01 00:00:00pages
791-5issue
5eissn
0022-0345issn
1544-0591journal_volume
68pub_type
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